1月9日，中建海峡“福-401号”盾构机破壁而出，标志着福州地铁4号线池边站～化工路站盾构区间左线顺利贯通！提前15天完成节点工期，创下单日挖掘19.2米的最高纪录，这也是福州地铁4号线首个贯通的盾构区间。
据悉，福州地铁四号线是福州在建地铁中施工难度最大的路线，一期工程第2标段池边站～化工路站区间左线全长约1506米，隧道埋深9.2米～18.7米之间。
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